Ayurvedic science is based on fundamental philosophies called "Darshanas" that explore metaphysical questions about the universe, life, death, and truth. The Darshanas seek to understand the nature of reality and were influenced by the Vedas and Upanishads. They are divided into Asthika Darshanas, which have faith in concepts like the soul, God, and rebirth, and Nasthika Darshanas, which reject these concepts. The main Asthika Darshanas include Vaisheshika, Nyaya, Sankhya, Yoga, Purva Mimamsa, and Uttara Mimamsa, while the Nasthika Darshanas